Examples with BoundSignature io.trino.metadata.BoundSignature used on opensource projects

Example 26 with BoundSignature

use of io.trino.metadata.BoundSignature in project trino by trinodb.

the class TestAnnotationEngineForAggregates method testSimpleExactAggregationParse.

@Test
public void testSimpleExactAggregationParse() {
    Signature expectedSignature = new Signature("simple_exact_aggregate", DoubleType.DOUBLE.getTypeSignature(), ImmutableList.of(DoubleType.DOUBLE.getTypeSignature()));
    ParametricAggregation aggregation = getOnlyElement(parseFunctionDefinitions(ExactAggregationFunction.class));
    assertEquals(aggregation.getFunctionMetadata().getDescription(), "Simple exact aggregate description");
    assertTrue(aggregation.getFunctionMetadata().isDeterministic());
    assertEquals(aggregation.getFunctionMetadata().getSignature(), expectedSignature);
    ParametricImplementationsGroup<AggregationImplementation> implementations = aggregation.getImplementations();
    assertImplementationCount(implementations, 1, 0, 0);
    AggregationImplementation implementation = getOnlyElement(implementations.getExactImplementations().values());
    assertEquals(implementation.getDefinitionClass(), ExactAggregationFunction.class);
    assertDependencyCount(implementation, 0, 0, 0);
    assertFalse(implementation.hasSpecializedTypeParameters());
    assertEquals(implementation.getInputParameterKinds(), ImmutableList.of(STATE, INPUT_CHANNEL));
    BoundSignature boundSignature = new BoundSignature(expectedSignature.getName(), DoubleType.DOUBLE, ImmutableList.of(DoubleType.DOUBLE));
    AggregationFunctionMetadata aggregationMetadata = aggregation.getAggregationMetadata();
    assertFalse(aggregationMetadata.isOrderSensitive());
    assertFalse(aggregationMetadata.getIntermediateTypes().isEmpty());
    aggregation.specialize(boundSignature, NO_FUNCTION_DEPENDENCIES);
}

Example 27 with BoundSignature

use of io.trino.metadata.BoundSignature in project trino by trinodb.

the class TestAnnotationEngineForScalars method testSingleImplementationScalarParse.

@Test
public void testSingleImplementationScalarParse() {
    Signature expectedSignature = new Signature("single_implementation_parametric_scalar", DOUBLE.getTypeSignature(), ImmutableList.of(DOUBLE.getTypeSignature()));
    List<SqlScalarFunction> functions = ScalarFromAnnotationsParser.parseFunctionDefinition(SingleImplementationScalarFunction.class);
    assertEquals(functions.size(), 1);
    ParametricScalar scalar = (ParametricScalar) functions.get(0);
    FunctionMetadata functionMetadata = scalar.getFunctionMetadata();
    assertEquals(functionMetadata.getSignature(), expectedSignature);
    assertTrue(functionMetadata.isDeterministic());
    assertFalse(functionMetadata.isHidden());
    assertEquals(functionMetadata.getDescription(), "Simple scalar with single implementation based on class");
    assertFalse(functionMetadata.getFunctionNullability().isArgumentNullable(0));
    assertImplementationCount(scalar, 1, 0, 0);
    BoundSignature boundSignature = new BoundSignature(expectedSignature.getName(), DOUBLE, ImmutableList.of(DOUBLE));
    ChoicesScalarFunctionImplementation specialized = (ChoicesScalarFunctionImplementation) scalar.specialize(boundSignature, new FunctionDependencies(FUNCTION_MANAGER::getScalarFunctionInvoker, ImmutableMap.of(), ImmutableSet.of()));
    assertFalse(specialized.getChoices().get(0).getInstanceFactory().isPresent());
}